Deadly Denizens Vol. III Sept Art Preview #1: September marks the first of the final three issues needed to complete Deadly Denizens Volume III, arriving in shades of blue, green, and a gleam of gold. The absence of blue dragons in earlier volumes has not gone unnoticed, but that omission ends now. This month, three fearsome blue dragons join the ranks. Leading the charge is the first reveal: a half-blue dragon oni, a hulking nightmare that weds the cunning sorcery of an oni with the storm-wrath of a blue wyrm!